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<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>TypeScript 学习 Demo 集</title>
    </head>
    <body>
        <div id="app">
            <h2>TypeScript 学习 Demo 集</h2>
        </div>
        <!-- built files will be auto injected -->
    </body>
</html>
